<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Document</title>

    <style>
        .one,
        .two,
        .three {
            width: 200px;
            height: 200px;
            background-color: pink;
        }
        .one {
            float: left;
        }
        .two {
            background-color: purple;
            float: left;
        }
        .three {
            background-color: blue;
            float: right;
        }


    </style>
</head>
<body>
    <div class="one"></div>
    <div class="two"></div>
    <div class="three"></div>
    
</body>
</html>